TXTReminder

TXTReminder is an event reminder app available for Android. Invite&Remind recognizes certain SMS format (invitation), it reads the SMS content and sends them to the Device Calendar app. The Calendar app prompts you to add or discard the invitation. That's all you need to do, no data entry is required, just one click. Your friends with other phone platforms can also send you SMS invitations as long as it follows the specified format.